Home / 19,030.34-28,490.84-14,328.29

Finding the Fourth Proportional to 19,030.34, 28,490.84 and 14,328.29

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Solution

The fourth proportional to 19,030.34, 28,490.84 and 14,328.29 is: 21,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030.34 : 28,490.84 = 14,328.29 : x
  2. Step 2: Convert to fraction form
    19,030.34/28,490.84 = 14,328.29/x
  3. Step 3: Cross multiply
    19,030.34x = 28,490.84 × 14,328.29
  4. Step 4: Simplify right side
    19,030.34x = 408,225,071.18
  5. Step 5: Solve for x
    x = 408,225,071.18/19,030.34
  6. Step 6: Final answer
    x = 21,451.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.